@media screen and (min-width: 320px) {
  html {
    font-size: 50px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 56.25px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 58.59375px;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 62.5px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 64.6875px;
  }
}
@media screen and (min-width: 440px) {
  html {
    font-size: 68.75px;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 75px;
  }
}
@media screen and (min-width: 520px) {
  html {
    font-size: 81.25px;
  }
}
@media screen and (min-width: 560px) {
  html {
    font-size: 87.5px;
  }
}
@media screen and (min-width: 600px) {
  html {
    font-size: 93.75px;
  }
}
@media screen and (min-width: 640px) {
  html {
    font-size: 100px;
  }
}
@media screen and (min-width: 680px) {
  html {
    font-size: 106.25px;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 112.5px;
  }
}
@media screen and (min-width: 760px) {
  html {
    font-size: 118.75px;
  }
}
@media screen and (min-width: 800px) {
  html {
    font-size: 125px;
  }
}
@media screen and (min-width: 960px) {
  html {
    font-size: 150px;
  }
}


/*字体的一些设置*/
body {
  font-family: "Helvetica Neue",Helvetica,Arial,"微软雅黑",sans-serif;
  background: #f2f2f2;
}

a:hover {text-decoration: none;}